Electron-emitting device and electron beam-generating apparatus

Details Electron-emitting device and electron beam-generating apparatus Electron-emitting device and electron beam-generating apparatus

1994-09-12

1996-06-25

Yusko, Donald J.

Electric lamp and discharge devices

Discharge devices having a thermionic or emissive cathode

313336, 313355, H01J 130, H01J 3112

Patent

active

055303145

ABSTRACT:
An electron-emitting device having an electron-emitting portion between electrodes on a substrate comprises a region A and a region B, the region A being electrically connected through the region B to at least one of the electrodes, electric conductivity .sigma..sub.1 of the material mainly constituting the region A and electric conductivity of the material .sigma..sub.2 mainly constituting the region B being in the relation of .sigma..sub.1 >.sigma..sub.2, and the region A being the electron-emitting portion. An electron beam-generating apparatus and image-forming apparatus comprise the electron-emitting device and a modulation means for modulating the electron beams emitted from the electron-emitting elements in accordance with information signals.

REFERENCES:
patent: 4827177 (1989-05-01), Lee et al.
patent: 4855636 (1989-08-01), Bustu et al.
patent: 4954744 (1990-09-01), Suzuki et al.
patent: 5023110 (1991-06-01), Nomura et al.
"Strong Electron Emission From Patterned Tin-Indium Oxide Thin Films", M. Hartwell, et al., International Electron Devices Meeting, 1975 pp. 519-521.
"Electrical Conduction and Electron Emission of Discontinuous Thin Films", G. Dittmer, Thin Solid Films, 1972, pp. 316-329.
"The Emissions of Hot Electrons and the Field Emission of Electrons From Tin Oxide", M. I. Elinson, et al., Radio Engineering and Electronic Physics, 1965, pp. 1290-1296.

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